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Page 1: Plug Valves - 3Z Valve
Page 2: Plug Valves - 3Z Valve

www.3Zvalve.com

Plug ValvesThe Solution For The Valve Problems

Page 3: Plug Valves - 3Z Valve

CONTENTS

Double Block &Bleed Valves

Sleeved Valves

Lined Valves

5

23

41

Plug Valves

DBB Group

Soft SeatedGroup

The Solution For The Valve Problems

Page 4: Plug Valves - 3Z Valve

CONTENTS

Metal SeatedWedge Valves

Lubricated Valves

Eccentric Valves

51

61

83

Worldwide ExperiencesFor over 30 years and across 50 countries, the 3Z valves havesupplied and contributed to the outstanding performancefor the processes of companies, Whether it is for a newconstructions or MRO job, 3Z valves are there for thebenefits of our customers.

Metal SeatedGroup

3Z
입력 텍스트
3Z
입력 텍스트
3Z
입력 텍스트
Page 5: Plug Valves - 3Z Valve

CONTENTS

Rising StemBall Valves

06

3Z
입력 텍스트
3Z
입력 텍스트
3Z
입력 텍스트
Page 6: Plug Valves - 3Z Valve
Page 7: Plug Valves - 3Z Valve

Plug Valves

Double Block & Bleed Plug ValveThe Solution For The Valve Problems

Page 8: Plug Valves - 3Z Valve

Specification & Availability

>> 6

3Z Standards Twin Slip Double Block and Bleed ValveFigure # 124, 324, 624, 924, 1524

Rating : ANSI Class 150/300/600/900/1500Size : 2”~ 24”Temperature Range : -20˚F(-29˚C) TO + 350˚F(+176.7˚C)Connections : Flanged, Screwed, Welded (Butt, Socket)Wrench, enclosed gear operated or actuated

3Z Full Bore Twin Slip Double Block and Bleed Valves

Rating : ANSI Class 150/300/600/900/1500Size : 2”~ 24”Temperature Range : -20˚F(-29˚C) TO + 350˚F(+176.7˚C)Connections : Flanged, Screwed, Welded (Butt, Socket)Hand wheel, enclosed gear operated or actuated

3Z 4-Way Twin Slip Double Block and Bleed Valves

Rating : ANSI Class 150/300/600/900/1500Size : 2”~ 24”Temperature Range : -20˚F(-29˚C) TO + 350˚F(+176.7˚C)Connections : Flanged, Screwed, Welded (Butt, Socket)Hand wheel, enclosed gear operated or actuated

Materials of construction

BodyCarbon Steel

ASTM A216 WCB Chrome Plated

TopCover

Carbon Steel

ASTM A216 WCB or ASTM A283D Plated

BottomCover

Carbon Steel

ASTM A216 WCB or ASTM A283D Plated

Wedge Carbon SteelASTM A216 WCB

Electroless Nickel Plated

Slips Ductile Iron ASTM A536-65-45-12

GlandStainless

SteelASTM A276 410SS

PackingGraphite

Type-

O-Ring & Slip

Viton -

Studs /Nuts

Carbon Steel ASTM A193 B7 / ASTM A194 2H

Page 9: Plug Valves - 3Z Valve

Operation

7 <<

3Z Double Block & Bleed (DBB) ValveDesigned to meet Oil & Gas transmission, loading,unloading needs. Line sealing is achieved by body andwedges cut from each side of the plug with or withoutthe assistance of soft seat rings.

The sealing is positively made on each side of theplug(double block), and the media kept in the plugport area can be bled into upstream or to thecontainer to prevent from explosion. The Valve can beused for assuring metering accuracy and SCADAsystems.

1. ClosingThe small size Double Block and Bleed valves arehandwheel operated and the larger sizes are equippedwith waterproof of gearing but operate in the samemanner, proportionately requiring more turns. Turningthe handwheel rotates the wedge 90 degrees, aligningthe seating slips. The elastomer seal rings areintegrally bonded within the machined groves of eachslip.

2. CompressingAs the wedge lowers, it force the seating slipsoutwards, pushing the seals against the body andcompressing them with in the grooves. With the slipssolidly against the body, a secondary metal-to metalseat is formed on both sides of each seal, providingdouble protection. The wedging forces the seatingslips outwards against the valve body and isperpendicular to the seats and the body. Thiseliminates all scraping and rubbing forces on theseals.

3. OpeningWhen opening, the wedge moves upwards and thedove-tailed (slips) are pulled away from the body. Thewedge is guided by an upper and lower trunnion, andthe wedge is rotated 90 degrees, aligning the seatingslips. In the open position, the seals are completelyout of the flow. Again, This action eliminates allscraping and rubbing forces on the seals.

Plug

Seatingslip

dovetail

Resilentseal

Page 10: Plug Valves - 3Z Valve

Construction

>> 8

Handle & operator :This is designed for easy openingand closing, and minimizes thepossibility of line shock.

Indicator : This indicates the direction of the plug open or closed position.

Gland & packing : This is designed so that the depthof the stuffing box is sufficient toinsert both a fire safe graphitepacking and Viton O-ring or othercustomer specified material.

Plug & Trunnion : This is designed to insure thetrunnions (Upper &Lower)maintain correct alignment of theplug during opening and closingof the plug.

Slip & viton seal :The viton seal within the slipexecutes a double block and bleedfunction, it eliminates abrasion,because the slips Containing theViton seals pull away from thebody before the plug starts torotate.

Bottom cover :The bottom cover may be removedfor maintenance purpose.Replacement of the slips ispossible, while the valve remainsbolted in the pipeline (In LineReparability)

Cover Bolt

Cover

Body

O-RING & GASKET

Page 11: Plug Valves - 3Z Valve

Bleeding Systems

9 <<

Gauge

25PSIDifferentialCheck Valve

Flow Direction

Isolation ValveLeave openwhen in service

Bleed Valve

25 psiDifferentialCheck Value

IsolationValue(Ieave openwhen in service)

FlowDirection

The above system is designed to relieve any excess rise inpressure, within the body cavity, due to terminalexpansion of the liquid within the cavity, when the valveis in the closed position. The relief valve is set to open at25PSI or above and bleeds excess pressure to theupstream side.

Note : System will only function when valve is closed andthe isolation valve is open.

Automatic Body Bleed Valve to Atmosphere orUpstream (Customer Option)The check valve is operated by a plunger that opens thebleed valve by a coupling cam, during the closing of thevalve. The valve may be operated by hand or an actuator.

This system incorporates a complete automatic system byremoving the need for human intervention. An isolationvalve is fixed in the open position to prevent the need forchecking the seal.

Page 12: Plug Valves - 3Z Valve

Design Features

>> 10

Zero Leakage

Valves selection is very important in the petroleumindustry. An incorrect valve may cause loss of income,pollution of product, and increase of product linemaintenance costs. Multi-product system valvesshould be designed to withstand frequent cycling andprovide a tight seal shut off. The double block andbleed valve was developed to cater for pump ormetering station, tank farms, marine loading docksand blending plants.

No Abrasion

The 3Z Twin Slip Double Block and Bleed valve cancompletely isolate a line without leakage. The valvedesign is such that the seals do not come into contactwith the valve body at any time while opening orclosing of the valve. The seals come in contact withthe body at the last moment force. This pressure forceis perpendicular to the seating area and a shearingforce is thus eliminated. When the valve is in theopening position, the seals are separated from thebody, and are maintained at this state during wedgerotation. This eliminates abrasion forces from the sealsand extends seal life.

Double Block & Bleed

With the 3Z Twin Slip Double Block and Bleed valve,there is an up-stream and down-stream seal, as wellas a bleed point in between. This one D.B.B. may besubstituted for two valves with one spool (drain). Thespool sends any leaking fluid from the valve to thetank. The bleed system on the 3Z double block andbleed is provided to prove zero leakage. The ensuresthat if any leakage was to occur, it would beeliminated via the bleed. This in turn, guaranteescomplete and total product segregation.

High Integrity Shutoff

When the valve is closed the elastomeric seal rings arepushed against the seats each side of the valve body,The force is directed at a perpendicular direction bythe wedging action of the slips. The elastomer sealson the slips are secured within a machined grove by abonding agent. As for being fire-safe, the outsidesurface around the seals (on the slips) is a finishedsurface of metal, that is pushed against the metalbody seat. This results in both an elastomeric andmetal-to-metal bubble tight seal.

In Line Repairability

It is possible to inspect and replace the sealing slipswith the valve still in line. The valve has a top andbottom bolted flange that is removable while thevalve remains bolted in place.

Page 13: Plug Valves - 3Z Valve

Applications

11 <<

3Z Double Block and Bleed valves are widely used for critical areas such as refinery, distribution center, Loadingarm and air ports.

Loading Arm Tank Farm

Metering Station Air Port

Tank Terminals Pipe Line

Page 14: Plug Valves - 3Z Valve

Cryogenic Application (Construction)

>> 12

NO PART NAME Q’TY MATERIAL1 BODY 1 STAINLESS STEEL2 TOP COVER 1 STAINLESS STEEL3 BOTTOM COVER 1 STAINLESS STEEL4 PLUG 1 STAINLESS STEEL5 SLIP 2 STAINLESS STEEL6 SLIP INSERT 2 PFA7 PACKING GLAND 1 STAINLESS STEEL8 PIN(ANTISTATIC DEVICE) 1 ALLOY STEEL9 GASKET 1S STAINLESS STEEL/GRAPHIT10 MECHANISM OPERATOR 1S STAINLESS STEEL11 BLEED SYSTEMS 1S STAINLESS STEEL12 PACKING GLAND BOLT 1S STAINLESS STEEL13 BOTTOM DRAIN PIPE PLUG 2 STAINLESS STEEL14 COVER BOLT 1S STAINLESS STEEL15 OPERATOR HOUSING BOLT 1S STAINLESS STEEL16 GEAR OPERATOR 1S DUCTILE IRON17 BODY O-RING 1S PTFE18 INNER GLAND O-RING 1 PTFE19 OUTER GLAND O-RING 1 PTFE20 PACKING SET 1S GRAPHITE 21 STEM 1 STAINLESS STEEL22 ACTUATOR 1 COMMERCIAL23 UNDER BONNET 1 STAINLESS STEEL24 EXTENSION STEM 1 STAINLESS STEEL25 EXTENSION BONNET 1 STAINLESS STEEL26 TOP BONNET 1 STAINLESS STEEL

Page 15: Plug Valves - 3Z Valve

Cryogenic Application (At Site)

13 <<

Loading Arm of LNG Terminal at one of the Middle East Country

After Cryogenic Test at Factory Actual Installation withHeavy Insulation

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Page 25: Plug Valves - 3Z Valve

Sleeved &LinedPlug Valve

Plug ValvesThe Solution For The Valve Problems

Soft Seated Plug Valves

Page 26: Plug Valves - 3Z Valve

Sleeved Plug Valves

>> 24

3Z StandardPort Plug Valve

FIG 120, 320, 620

3Z Full PortPlug Valve

FIG 120FB,320FB, 620FB

3Z 3-WayPlug Valve

FIG 130,330, 630

3Z 5-WayPlug Valve

FIG 150, 350,650

3Z JacketedPlug Valve,

Full or PartialFIG 120FJ, 320FJ,

620FJ, 120PJ,320PJ, 620PJ

3Z NuclearPlug Valve

FIG 122N BW,322NBW,622N BW

3Z Screwed EndPlug Valve

FIG 122SE,322SE, 622SE

3Z 3-Way FullPort Plug ValveFIG 130FB, 330FB,

630FB

3Z SocketWelded End

Plug ValveFIG 122SW,

322SW, 622SW

3Z Severe ServiceValve

FIG 120SS, 320SS,620SS

3Z Live Loaded Plug ValveFIG 120LL, 320LL,620LL

Page 27: Plug Valves - 3Z Valve

Control Valves / Specialty Valves

25 <<

3Z Electric ControlPlug ValveFIG 120CVE

120CVE 3Z Sleeved valves arealso available forvarious HydrofluoricAcid applications.

3Z CAGED PLUG ValveFIG 120CG,320CG,620CG

3Z Autoclave Line Plug Valve

3Z Black Liquor Line Plug Valve

3Z Bleed Systems Valv

3Z Cryogenic Plug Valve

3Z Chlorine Valve

3Z Caged Plug Valve

3Z Diverted Type Plug Valve

3Z Fingertrol Plug Valve

3Z Fire Safe Plug Valve

3Z Gas Distribution Plug Valve

3Z Metal Proving Plug Valve

3Z Piloted Plug Valve

3Z Power Plant Plug Valve

3Z Spandex Plug Valve

3Z System Flush Plug Valve

3Z Tandem Plug Valve

3Z Underground Plug Valve

3Z Vacuum Plug Valve

3Z Direct Mounted PneumaticControl Plug Valve

FIG 120CVD

3Z PneumaticControl Metal

Seated Plug ValveFIG 123CV

3Z InterlockedType Plug Valve

FIG 120CVT

3Z Direct Mounted PneumaticFingertrol Control valve

FIG 120CVD

Page 28: Plug Valves - 3Z Valve

Construction of Sleeved Plug Valves

>> 26

PLUG

SLEEVE

BODY

Upper rib

Port lips PLUG

BODY

Basic structure is plug, sleeve,body. Sleeve is inserted andencaged inside the body. Taperedplug is inserted onto the sleeve.The sleeve is acting as a soft seat.And completely surrounds plugcreating areal sealing surfaces.Also not permitting any deadspace in the flow path. Plug isrotating 90 degree. When it isaligned with the body port, flow isopen. When the plug is rotated sothat plug port is perpendicular tothe body port the flow is blocked.The media kept in the plug whileat closed position, will becontained in the plug port only,and when the valve is open again,the flow will flush the out. And noremains

PTFE is an plastic material, eventhough they are high gradeengineering material. All plasticsare subject to cold flow.; at highertemperature volume increase,escape to the low pressure areaand don’t get back to its originalposition even after removal oftemperature, pressure. But, if theyget confined , they would not coldflow. Upper boundary and lowerboundary, and 360 port lips.Recessed wall is acting asabsorption of inflated volume ofPTFE when volume is increaseddue to temperature.The vertical, upper horizontal, andlower horizontal pressure ribs areprovided to provide pressure seallines along plug any time.True circularity of body center boreis very important for firm sealing.Ribs and lips must be truly circularand concentrically defined as caststate. 3Z is has its own foundry.Did this for over 20 years. Reliable.

Plug is tapered. Monolithic design.Wedge action. Lowering 1 mm willresult in side pressure vectors.Adjustable. Solid not unstable aspressure dependent.Materials can be upgraded for theplug alone to be better resistivethan the body corrosion rate.

Sleeve is also tapered to acceptedthe configure of plug. They aresnuggly fit into the void spacecreated by upper, lower and metalport lips.The PTFE materials are rigidenough, resilient enough, elasticenough. Corrosion resistant.Temperature, pressure.For highly radioactiveenvironment, higher temperatures,several different materials areused.

SLEEVE

Page 29: Plug Valves - 3Z Valve

Threefold Sealing System

27 <<

Threefold Sealing System

The zero leakage stem sealing is achieved by threefold sealing system. The primary seal is provided by the sleeve. The sealing is so tight that no leakage can be observed evenwithout a valve cover.

The secondary and tertiary seal (top seal package) are provided by a PTFE Teflon delta ring and adiaphragm. The sealing is also so tight that no leakage can be observed even without a sleeve.A test report is available at request

Page 30: Plug Valves - 3Z Valve

Solution for Valve Problem

>> 28

1.0 Types of generic valve failuresValves fail to serve their functionwhen they indicate leakage orinoperability. They have to berepaired to function properly.Any valve design have a movingpart which close or open the flowpath. The part protrudes throughthe pressure boundary to beoperated outside. At gate valvedesign it is called wedge/stem;globe valve, plug/stem; ball valve,ball/stem; etc.1.1 Leakage - This type of failurecan occur internally or externallyat this moving part. Externalleakage can be generated at thepressure boundary through stemof the valve. Internal leakage canbe generated between the seat ofthe body and the moving part.When leakage develops the valvescan be judged failed. The leakagedamages various factors.Depending on the degree ofseriousness, users determinewhether to repair the valve or touse it as is.1.2 Inoperability - This type offailure occurs when the movingpart of the valve cannot beengaged or disengaged due tovarious reasons, such as by theslurry accumulated at the creviceof wedge way in gate valvedesign. This type of failurehampers serious problems in flowcontrol. They have to be repairedright away to perform theintended role of the valve.1.3 Life-time - At initial inspectionand test stage, almost all thevalves function properly. That is, itdoes not leak and open/close well.But when installed and exposed atactual conditions, after a certainperiod of time, the valve start tofail. The time is called “Life-time”of the valve. If the life-time ispractically and economically tooshort, the valve is not suitable forthe service.

2.0 Factors influencing valve failures/life-timeNatures and conditions of flowmedia, modes of operation andenvironmental conditions areimportant factors. The valvedesign employed must havefeatures to overcome the givenconditions.2.1 Phase of Media - The flowmedia can be in the phase of solid,liquid, or gas. The solids can be inpowder, granule or larger particles.They can be dissolved orsuspended in a solution. They cancrystallize, precipitate, solidify,polymerize, crack, react chemicallyor physically, etc. They can in theform of slurry/sludge. They maycarry unexpected impurities orwastes, generated from reactors orpipe lines.2.2 Nature of Media - The mediacan be corrosive, toxic wheningested or inhaled, carcinogenic,irritative to skin and eyes,explosive, flammable, oxidizingwith air infiltrated in, etc. 2.3 Modes of operation - Theymay be in different cycle time,temperature/pressure variations,start up mode, shut down mode,emergency mode, etc.2.4 Environmental Conditions - They may be under hot or coldweather, facing salty sea wind, atcorrosive atmosphere.3.0 Valve problems cost a lot of moneyWhen improperly designed valvesare use, capital cost for repeatedprocurement of valves, materialsand labor cost for frequent repairof installed valves, productiondisturbance cost, safety protectioncost, environmental protectioncost, administrative cost for valvemaintenance management cost,etc., adds up to enormous costand expenses.

4.0 Conventional valves, too shorta life-timeThe conventional valves had beendeveloped to meet therequirement of steam handlingsince the industrial revolution of200 years ago. The new industrialrevolution of hydrocarbonprocessing of oil, gas andpetrochemicals outbroke 50 yearsago. The conventional valves havebeen used for the processindustries but with failures. Thelife-time is too short to be safe,reliable and economic.4.1 Gate valves - Valve cannot beclosed when solids accumulates atthe void space at the seat wherethe wedge seats in. It galls. Over-tightening when closing damagevalve seals quickly. Gland seal failsquickly.4.3 Globe valves - Directionchanges, 6 times of 90 degree,may be okay for throttling butprohibitive for normal flow use.Over-tightening when closingdamage valve seals quickly. Slurryclogs port quickly. Gland seal failsquickly.

4.2 Ball valves - Valve seal ringfails quickly due to the slurry keptin dead space between ball andbody. Gland seal fails quickly.4.3 Diaphragm valves - Rubbercontaining diaphragm ages abouta year. Quickly torn away byaging and over-tightening. Glandseal fails quickly. Diaphragm getsdamaged by solids in the media.4.4 Butterfly valves - Slurry gottenin dead space at the bottom stemdamage the valve. Excessiverubbing action and aging wearsand tears off seat rubber. Glandseal fails quickly. 5.0 3Z, the solution for valveproblems3Z sleeved plug valves arespecifically designed to overcomethe problems described above.

Page 31: Plug Valves - 3Z Valve

Solution for Valve Problem (3 Zero Features)

29 <<

Zero Leakage

The zero leakage stem sealing is achieved by the Threefold Stem Sealing System. The primary seal is provided by the sleeve. The sealing is so tight that no leakage can be observedeven without a valve cover. The secondary and the tertiary seal (top seal package) are provided bya delta ring and a diaphragm made of RTFE ( Rein forced Teflon). The sealing is also so tight thatno leakage can be observed even with out a sleeve.

3Z PLUG VALVE OTHER VALVES

Zero Cavity

Plug is always surrounded by PTFE sleeve 360 degree around and therefore the liquid in theplug internal cannot flow into no dead space whether it’s open or close. When the valve is open the line flow would flush out the liquid in the plug internals.Ball Valve & other Valve : When the ball is closed, the liquid containing slurrywhich was kept in ball openings, flows into the dead space between ball and body.

The liquid imprisoned at the dead space will stay during life time of the valve. When PVC slurry of sludge is precipitated and accumulated in this dead space the burdened solids willblock the rotation of ball, pushes out the seal surface of Teflon ring, and gives damages to the seal,which eventually produces the leakage.

Zero Maintenance

Owed to the merits of its structure, the valve is zero leakage and no maintenance is required. When seal pressure adjustment is required due to PTFE sleeve wear, a quarter turn of adjustment bolts pushes the plug down regenerating a sealing pressure as if it is a new valve. Therefore no disassembles, no repair is required for more than 10 yearsfor the most of cases. Line repair is possible because the plug is the top entry type.

Page 32: Plug Valves - 3Z Valve

Live Loaded Valves

>> 30

For lethal, toxic and sub-zero fluid services where an absolute stem seal is required.

Live Loaded Design Options

3Z Live Loaded Plug Valve

Fig. 120, 320, 620LL

Wide Range of Stuffing Box Options

Cup and cone packingwith lantern ring

Chevron packing set Chevron packingwith lantern ring

Combination packingset cup and cone(upper)chevron(lower) withlantern ring

Compression packingwith lantern ring

Compression packing set

Designed and built to eliminate fugitiveemissions and to handle the toughestservices such asChlorineHydrofluoric AcidAnhydrous HCl

A true stuffing box design with all the positive shut-off, corrosion resisting features of other 3Z Sleeved Plug Valves.

Will accommodate all standard packing.

Many options such as bonnet tap forinsertion of chlorine compatible lubricant orother greases, for inert gas pad, or as aleak-off connection.

V-Port and 3-way plug configuration areavailable as options.

Port : 2-5 wayClass : 150/300/600Size : 1/2”- 24”Temperature Range : -30 to 260

Page 33: Plug Valves - 3Z Valve

Multiport Valves

31 <<

3 way Port Arrangement

3Z 3-WayPlug Valve

FIG 130, 330, 630

3Z 5-WayPlug Valve

FIG 150, 350, 650

3Z 4-WayPlug Valve

FIG 140, 340, 640

3Z 3-Way FullPort Plug Valve

FIG 130FB, 330FB,630FB

The versatility of 3Z multiport valves and the variety of flow arrangements in which they areavailable make these valves ideal for many types of piping systems handling liquids, gases,slurries or other applications where tight shutoff is required.

FORMS A AX D C I T L

FLOW

POSITION 10°

POSITION 290°

POSITION 3180°

POSITION 4270°

Page 34: Plug Valves - 3Z Valve

Nuclear Plug Valves

>> 32

Designed for Nuclear Power Plant application.Standard type : Sleeve is “UHMWPE”

Port : 2-5 wayClass : 150/300/600Size : 1/2”- 24”

Temperature Range : -30 to 260

3Z FIG 322N.BW BUTT WELD END

NUCLEAR PLUG VALVE

2-WayClass 150/300

1/2-6 inch

3Z FIG 322N.PPUP WELDED

NUCLEAR PLUG VALVE

2-WayClass 150/300

1/2-6 inchPup Welded

3Z FIG 322N.SWSOCKET WELD END

NUCLEARPLUG VALVE

2-WayClass 150/300

1/2-6 inchFor Nuclear Service

3Z FIG 332N BUTT WELD END

NUCLEAR PLUG VALVE

3-WayClass 150/300

1/2-6 inch

3Z FIG 322N.CV PNEUMATIC

NUCLEARCONTROL

PLUG VALVE

Double Acting Type2-Way

Class 150/3001/2-6 inch

3Z FIG 322N.CV PNEUMATIC

NUCLEARCONTROL

PLUG VALVE

Spring Return Type2-Way

Class 150/3001/2-6 inch

Page 35: Plug Valves - 3Z Valve

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Page 43: Plug Valves - 3Z Valve

Lined Plug Valves and Lined products

41 <<

3Z 2-way Lined Plug Valve

FIG 121, 321

3Z BottomlessPlug Valve

FIG 121, 321

3Z Lined BallCheck ValveFIG 171, 371

3Z Lined Live Loaded

Plug ValveFIG 121LL, 331LL

3Z Lined Swing Check Valve

FIG 181, 381, 681

3Z Lined Strainer

FIG 190

3Z 3 way Lined Plug Valve

FIG 131, 331

3Z Lined Y-Type StrainerFIG 191Y

3Z 5-way Lined

Plug ValveFIG 151, 351

Fully-lined, quarter turn non-lubricated plug valveideally suited for corrosive application. Locking of linerto body and molding technique permit use on manychemical services with higher pressures and vacuumswithout fear of liner collapse, shrinkage, stresscracking and blowout. Excellent sealing capability

Page 44: Plug Valves - 3Z Valve

Construction of Lined Plug Valves

>> 42

ZERO MAINTENANCE

ZERO LEAKAGEZERO DEAD SPACE

ADJUSTING BOLTSrenews sealing.

MONOLITHIC STEM AND PLUGprovides reliability.

THICK PFA/FEP TEFLON LININGfights corrosion

DOVE-TAIL LOCKholds lining firmly.TAPERED PLUG

assures independentmechanical force forperfect line sealing.

All sealing surfaces are machined to close tolerances, providing tight shutoff.

(1) Independent wrench stops are cast in the cover.(2) Three stainless steel adjusting screws, silver-plated for added corrosion resistance, give parallelism

to the plug through the thrust collar, assuring uniform position of the plug in the body.(3) The multiple top seal is designed to transmit sealing forces diagonally across the delta ring and

vertically on the diaphragm to seal the plug shank, providing an added safeguard against hazardous fluids escaping to atmosphere

(4) FEP and PFA are melt processible and offer maximum density and elimination of stress cracking atthe corners, affording longer maintenance-free service for the liner and the valve.

(5) The liner is locked to the casting by means of cast dovetail recesses and machined grooves,permitting the valve to be used on high vacuum and pressure applications without liner collapse,shringage or blowout.

(6) The bottom seal adjustment provides a positive means of maintaining tight shutoff.(7) The body of the valve is coated with corrosion- resistant paint to retard external corrosion and rust.(8) Three-way valve has side entry design with choice of three port arrangements.

90°QUICK TURNINGAND POSITION INDICATION

allows no crud trap.

Page 45: Plug Valves - 3Z Valve

Construction & Materials

43 <<

3Z Lined Plug Valve, 2-way

Fig 121, 321

Handle SteelTruarc ring Steel, zinc platedStatic eliminator Stainless steelCover nuts Stainless steelAdjusting screws Stainless steel, silver platedTop cover :

121 Malleable iron321 Carbon steel130 Malleable iron

Thrust collar Stainless steelFormed diaphragm PTFEDelta ring PTFEFlat diaphragm PTFEPlug :

121 FEP or PFA lined ductile iron321 PFA lined ductile iron130 FEP or PFA lined ductile iron

Fully-lined, quarter turn non-lubricated plug valveideally suited for corrosive application. Locking ofliner to body and molding technique permit use onmany chemical services with higher pressures andvacuums without fear of liner collapse, shrinkage,stress cracking and blowout. Excellent sealingcapability.

Linings : FEP, PFASizes : 1/2” - 18”Rating ANSI Class 150, 300

Materials of construction

Page 46: Plug Valves - 3Z Valve

Fully Lined Ball Check Valves

>> 44

FIG 171Size 1/2 through 6 inch, Class 150

ConstructionThe valve body is fully lined with either PFA or FEP teflonmaterial. A RTFE ball is freely moving internally on spacer,but the movement is stopped by either flanged water way.Back pressure or backflow of the flow moves the ballupstream and the ball blocks the flow. Spacer at downstream has openings like a comb construction. Therefore,when there occurs a normal flow to downstream, the flowis free to flow.

Use & Function1) Protection of pump motor from backflow damage.2) Protection of pump impeller from backflow damage.3) Certain degree of shut-off function when backhead is

high.

Operation1) 3Z FIG 171 can be mounted on “A” or “B”.2) When a pump stop signal is given during operation of

the pump, the pump motor will be stopped but keepsrunning for a short period of time an gradually stops. Atthis time, if there is not 3Z FIG 171 installed, thebackflow caused by back head will flow backwardtowards the pump.

3) On this occasion, motor and pump impeller can bedamaged by the back flowing fluids because of thefighting direction of rotation.

4) But when a 3Z FIG 171 is mounted on the exit side ofthe pump, the backflow will push the ball inside 3Z FIG171, seats the ball against the flanged water way boreinstantly. Then, the back flow will seat the ball on theflange seat.

5) The higher the back pressure is, the greater thebackflow forces. Therefore, the ball performs a shut-offfunction, but not tight shut-off. When a backhead issmall, ball instantly

Page 47: Plug Valves - 3Z Valve

Fully Lined Ball Check Valves

45 <<

prevents impact to the pump, but may move slightlyfrom the shut off position. In this case, a partialbackflow can occur to the pump, would not damagethe pump impeller or motor because the backflowforces negligible.

6) 3Z FIG 171 can be mounted both horizontally andvertically. When mounted vertically, it operates withand aid of gravity.

7) When a thight shut-off is required for the back flow,and additional shut-off valve should be installed.Check valves are not designed for a shut-offfunction.

DIMENSIONS

SIZE BOLT HOLE

IN MM L D PCD NO DIA g t f

1/2 15 152 89 60.5 4 16 35 15.5 3.2

3/4 20 152 98 70 4 16 43 15.9 3.2

1 25 152 108 79.5 4 16 51 17.3 3.8

1.1/2 40 178 127 98.5 4 16 73 18.1 3.8

2 50 203 152 120.5 4 19 92 20.3 4.4

2.1/2 65 242 178 139.5 4 19 105 24.1 5.0

3 80 242 190 152.5 4 19 121 24.1 5.0

4 100 292 229 190.5 8 19 147 29.2 5.3

6 150 394 279 241.5 8 22 206 31.2 5.8

8 20 482 343 298.5 8 22 264 35.1 6.5

Page 48: Plug Valves - 3Z Valve

Swing Check Valves

>> 46

FIG 1813Z SWING CHECK VALVESANSI Class 150 : 2”-12”

FeaturesTo be mounted horizentally and vertically in piping.To be used to replacing high alloy steel for corrosive process materialNo application of spring/pin causing corrosion orabrasion in Body.

MaterialsBODY WCB(316) / PFA (FEP)DISC FEP (PFA) : 4” and Under

WCB/PFA (FEP) : 6” and OverNot less than 2.4_ of Lining thickness

Pressure Temperature Ratings

DIMENSIONS

2 40 40 30 40.6 53 89 172 1.9 45 43 49

3 46 55 45 56 55 127 190 3.2 100 71 82

4 46 80 70 78 64 157 266 5.9 234 92 100

6 57 125 111 124 65 216 319 12.7 667 142 148

8 67 172 158 165 61 298.5 373 22.7 1404 188 195

10 76 222 184 221 53 324 394 28.6 1965 239 260

12 86 256 232 267 53 381 510 42.2 3160 290 310

SIZE A B C D E F G Wt(kg) CvMax.matingIFlange I.D

Min Max.

Page 49: Plug Valves - 3Z Valve

47 <<

Page 50: Plug Valves - 3Z Valve

>> 48

Page 51: Plug Valves - 3Z Valve

49 <<

Page 52: Plug Valves - 3Z Valve

>> 50

Page 53: Plug Valves - 3Z Valve

Plug Valves

Wedge/Lubricated/Eccentric

Metal Seated Plug Valves

Page 54: Plug Valves - 3Z Valve

Metal Seated Wedge Plug Valves

>> 52

3Z Metal Seated plug Valves, Non-Lubricated

Designed to cope with higher temperature applications ofthe 3Z sleeved and lined products. Line sealing is achievedby metal to metal contact between body and plug.

To avoid damage on the sealing surfaces, during openingand closing, the plug is lifted first, and rotated 90 degrees,and then, set to its desired position. The whole opening andclosing operation is achieved by one action assuring fullproof operation using specially designed and patentedoperating mechanism by 3Z.

The body and plug contacts directly metal-to-metal. Toprevent the surfaces from galling or abrading the valveis designed to operate as following steps;

STEP1 - Lowered & Seated position; The plug is loweredand seats at fully open or closed position.

STEP 2 - Lifted position; The plug is lifted slightly to avoidgalling or abrasion during this step.

STEP 3 - 90˚ Rotated position; The plug is rotated 90˚ toallow line media to flow or stop by positioning theplug at open or closed position. No contactbetween body and plug during this step. Norubbing. No friction.

STEP 4 - Lowered & Seated position; The plug is loweredand reseated at fully open or closed position.

Open

STEP1 STEP2LIFTING

STEP3TURNING

STEP4DOWN

Close

Close

STEP1 STEP2LIFTING

STEP3TURNING

STEP4DOWN

Open

Principle of 3Z Wedge Plug valve operation Port Opening Available

75% Opening 100% Opening

Page 55: Plug Valves - 3Z Valve

Construction

53 <<

1. Before valve is installed, valve should not beclosed. The special case must be taken in orderto prevent foreign material’s intrusion to thevalve.

2. When valve is open or closed, the excessi-veforce should not be applied to Handwheel. When operator does the open and closeoperation in front of valve by use of both hands,

Operator should stop the further rotation ofhandwheel when operator feels exhaust ofpower.

3. When valve is open position, body port andplug valve may not be exactly aligned and thisdoes not mean that valve is problem.. Soattempt to align the both ports should bediscouraged.

4. If possible, valve is installed in a way thatLifting mechanism is vertical position.

5. The lifting mechanism should not be touch-ed.When it is required to touch the mechanism, theonly expert who knows the system cle-arlyshould do.

7. While valve is open or closed,the operatorshould look at the flow indicator on top ofvalve .

Special Instruction For Operation and Maintenance

Fig 323W FB 300# 12”- EXPLODED VIEW

Page 56: Plug Valves - 3Z Valve

PURGE Operation (1/2)

>> 54

Purpose of purge operation.Dzpending on line media, automatic purge operation is requiredfor the valves in the line, due to the following reasons ;

1) To prevent suspended solids or deposits being accumulated inthe probable dead spaces in the valve internals.

2) To prevent fugitive emissions released to the atmosphere

Construction of 3Z Wedge Plug valves

3Z Wedge Plug valves are designed to operate metal-to-metalseated to be used for high temperature, high pressure, high solids,and as such media, yet maintaining extra long life of the valvehaving the same 3Z functions of Zero dead space, Zero Leakageand Zero dead space.

The pressure containing parts of the valve consists of body, plugand bonnet. The plug and raised ribs of the body seats togethercreating sealing surfaces; upper sealing, port sealing and lowersealing around the plug. These sealing surfaces provide linesealing, and also primary stem sealing. Stem has additional sealsassuring no external leakage to the atmosphere.

No other valves have these 3Z unique design features.

Potential dead space

Upper barrel : The space created between body, bonnet, andplug

Space between body & plug surfaces ; The space createdbetween body and plug when lifted

Lower barrel ; The space created between plug, body andbottom bowl of body.

The 3 spaces are potential dead space when left alone. The deadspace means the space where there is no fluid flow occurs. Slurry,sludge, suspended solids, crystallizing or precipitating media canbe deposited with solids in the space because of no flow.

These may cause valve malfunction shortening the life time of thevalve, or increasing ownership cost due to frequent maintenanceor plant shut down.

Principle of 3Z Wedge Plug valve operation

The body and plug contacts directly metal-to-metal. To preventthe surfaces from galling or abrading the valve is designed tooperate as following steps;

STEP 1 - Lowered & Seated position; The plug is lowered andseats at fully open or closed position.

STEP 2 - Lifted position; The plug is lifted slightly to avoidgalling or abrasion during this step.

STEP 3 - 90 Rotated position; The plug is rotated 90 to allowline media to flow or stop by positioning the plug atopen or closed position. No contact between body andplug during this step. No rubbing. No friction.

STEP 4 - Lowered & Seated position; The plug is lowered andreseated at fully open or closed position.

Denomination of purge connectuions

For ease of identification of purge connections, 3Z denominatesthe connections as is shown on the figure.

The connections are provided per customer's request as an option.A spool piece with a NPT thread end is provided, welded to theconnection as a standard unless specified otherwise by thecustomer.

Open

STEP1 STEP2LIFTING

STEP3TURNING

STEP4DOWN

Close

Close

STEP1 STEP2LIFTING

STEP3TURNING

STEP4DOWN

Open

DESIGNATING LOCATION OF PURGE CONN.

Page 57: Plug Valves - 3Z Valve

PURGE Operation (2/2)

55 <<

Principle of purging assuring zero dead spaceThe potential dead space can be protected from the line mediacarrying undesirable solids to reside by creating fluid flow in thespaces. There are two ways to mobilize the space;

1) By use of outside purge media ;

purge media provided by the plant, which has higher pressurethan line media is introduced into the upper barrel through thepurge port C and/or D, and also introduced into the lower barrelthrough the purge port G. Whenever opening or closing the valve, the plug gets lifted,rotated and lowered down. As soon as the plug starts being liftedand the purge media gets introduced into the space betweenbody and plug seat surface, creating flows into the line mediapreventing it from invading into the space from the first place. When the plug is lowered and seated the purging action stopsautomatically. Therefore, the valve can maintain clean surfaces and spaces.

2) By use of line media ;

Whenever opening or closing the valve, the plug gets lifted,rotated and lowered down. As soon as the plug starts being liftedand the line media gets introduced into the space between bodyand plug seat surface, creating flows into the upper and lowerbarrel, and flows out through the purge port C, D and G.

When the plug is lowered and seated the purging action stopsautomatically. Therefore, the valve does not allow dead space,and maintain clean surface and spaces all the time.

The purging, in either case, happens automatically wheneveropening or closing valves.

Purging for trunnion construction

When trunnion mounted plug design is used, G connection isinterfered by the trunnion hub.

The thrust bearing and trunnion is designed to allow purging ofthe flushing media freely and thoroughly. This also allows rigidityand reliability of trunnion mounting in any operating conditions.

For Flange Dimensions, Face to Face and End to End Dimensions,please refer to the 3Z homepage, www.3zvalve.com

CROSS SECTION OF BUSHING

For Flange Dimensions, Face to Face and End to End Dimensions, please refer to the 3Z homepage,

www.3zvalve.com

Page 58: Plug Valves - 3Z Valve

Application

>> 56

Construction of 3Z Wedge Plug valves

3Z Wedge Plug valves are designed to operate metal-to-metalseated to be used for high temperature, high pressure, high solids,and as such media, yet maintaining extra long life of the valvehaving the same 3Z functions of Zero dead space, Zero Leakageand Zero dead space.

The pressure containing parts of the valve consists of body, plugand bonnet. The plug and raised ribs of the body seats togethercreating sealing surfaces; upper sealing, port sealing and lowersealing around the plug. These sealing surfaces provide linesealing, and also primary stem sealing. Stem has additional sealsassuring no external leakage to the atmosphere.

No other valves have these 3Z unique design features.

Principle of 3Z Wedge Plug valve operation

The body and plug contacts directly metal-to-metal. To preventthe surfaces from galling or abrading the valve is designed tooperate as following steps;STEP 1 - Lowered & Seated position; The plug is lowered and

seats at fully open or closed position.STEP 2 - Lifted position; The plug is lifted slightly to avoid

galling or abrasion during this step.STEP 3 - 90 Rotated position; The plug is rotated 90 to allow

line media to flow or stop by positioning the plug atopen or closed position. No contact between body andplug during this step. No rubbing. No friction.

STEP 4 - Lowered & Seated position; The plug is lowered andreseated at fully open or closed position.

Operator Mechanism

Fool-proof valve operation is very important for this type of valve.The smooth operation with lower torque is also important. Atypical cam type operator which moves plug stem along a pre-defined guide trench on the stem, experiences high frictionresulting high torque.

3Z developed a unique patented ball-locking mechanism. The 3Zmechanism assures smooth, frictionless and fool-proof operation.This mechanism is provided as a standard in 3Z Wedge PlugValves.

The principle of operation is a ball inside the mechanism isengaged in, locking the stem and the operator during rotatingoperation. And then the ball is disengaged out unlocking thestem and the operator during lifting and lowering operation.

Trunnion Construction

When the plug is lifted and exposed to a high upstream pressureand dynamic force, even though the gap is minimal, the plug canbe shifted and contact the body down stream.

To prevent this happening, the plug is designed to be supportedrigidly using trunnion construction. 3Z design employed body hubas the trunnion hub to provide the best reliability in rigidity.

This design feature is optional, however, depending on sizes andoperating T/P condition, the feature is provided as a standard.

Open

STEP1 STEP2LIFTING

STEP3TURNING

STEP4DOWN

Close

Close

STEP1 STEP2LIFTING

STEP3TURNING

STEP4DOWN

Open

DESIGNATING LOCATION OF PURGE CONN.

TRUNNION

Page 59: Plug Valves - 3Z Valve

57 <<

Page 60: Plug Valves - 3Z Valve

>> 58

Page 61: Plug Valves - 3Z Valve

59 <<

Page 62: Plug Valves - 3Z Valve

>> 60

Page 63: Plug Valves - 3Z Valve

Lubricated Plug Valves

61 <<

3Z Lubricated plug valves have been installedaround the world for its price,quality and on time deliveryBenefits. The important locations where 3Z Lubricated plugvalves are installed are : USA, Mexico, Venezuela India,Pakistan, Taiwan, Kazakstan, Uzbekistan, UK,Italy, Iran,Kuwait, Egypt, South Africa, Zambia, France, Germany,Turkey and Australia etc. The class covered from #150 upto#3000. Furthermore variety of Material is available as wellas different configurations. Whenever and wherever thedemands for Lubricated Plug valves exsist, please contact 3Zand/or our sales network around the world.

If the threat of fire is one of your major valveconsiderations, then 3Z fire safe valve is for you.This valve was successfully tested in accordance with the fire safe testing procedure suggested by API

3Z Metal Seated Plug Valves, Lubricated

Designed for Crude oil, Oil, Natural gas handling andtransmission lines. Line sealing is achieved basically bymetal to metal contact between body and plug withassistance of sealant injected in between body and plug,which serves both sealing and lubricating during operation.

Uniqueness of dynamically and pressure balanced designtogether with inverted plug design, assure prevention oflocking, which has been the problems of conventionaldesign at higher pressure application.

Page 64: Plug Valves - 3Z Valve

Construction of Lubricated Plug Valve

>> 62

The valve is mainly consisted of 1) Pressure containing system and 2)Operation system.

Pressure containing system: The flow media with a pressure is contained and controlled by thissystem. They are;

Body: Body is a main component of the valve and has provisions for 1)connection to the pipe lines, 2) port opening for flow passage, 3)strength requirements for containment of pressure, 4) seating surface forplug, 5) sealing surface for flow control, 6) affixing geometry for most ofthe valve components, 7) facilitation of lubrication system, 8) stemsealing, etc.

Plug: Plug has provisions for 1) connection to the operation component,2) port opening for flow passage, 3) strength requirements forcontainment of pressure, 4) seating surface matching to body, 5) sealingsurface for flow control, 6) facilitation of lubrication system, etc.

Covers: Bottom an d Top covers have provisions for 1) strengthrequirements for containment of pressure, 2) limiting and adjustinggeometry for plug movement, 3) facilitation of stem sealing, etc. Thebottom cover is bolted onto body with stud and nuts. Two metaldiaphram are placed in a recess between body and bottom cover inorder to prevent the leakage.Sealant system: Sealant system contains 1) injection nipple, 2) injectioncheck valve, 3) grooved plug, 4) Uper chamber, and 4) grooved body.

Stem seals: Stem seals are consisted of 1) gland yoke, and 2) glandpacking.

Rotary Action: 3Z plug valves are rotary valves in which a plug closuremember is rotated through increments of a certain degrees to engageand disengage a port hole in the plug with the ports in the valve body.

Wedge Action: 3Z tapered plug valves permit the sealing gap betweenthe seatings to be adjusted by forcing the plug deeper into the seat, forthe plug is tapered. The plug is rotated while in intimate contact withthe valve body.

Inverted Plug: The plug is mounted in the inverted position anddivorced from the stem. The inverted plug design is the solution forpreventing the Taper Lock . The plug is adjusted in its position bya adjusting screw in the valve cover.

Primary Seal by Metal-to-Metal Seatings: The primary sealing isachieved by the seating surfaces metal body and seat surfaces.

Secondary Seal by Sealant Action: As a secondary seal, the valve isprovided with a lubrication system which allows feeding a specialsealant into the valve while the valve is in operation. Besides sealing,the lubricant is to protect the internals of the valve against corrosion andwear as well as reducing the valve torque. Sealant injection systemensures that all seal faces are supplied with thin coat of lubricant and byso doing becomes an efficient secondary seal.

Page 65: Plug Valves - 3Z Valve

Design Features

63 <<

3Z Metal Seated Plug Valves provide Safety, Reliability, and Economy in plant operation, owing to its super longevity. General merits in construction make it possible.

GRIPHITE PACKINGS

STEM SEALING COMPOUND INJECTOR TO RENEW SEALING TO

ATMOSPHERE

WEATHERSEAL

THRUST WASHER

PLUG SEALANT INJECTOR TO RENEWSEALING TO DOWNSTREAM

PLUG WITH METAL-TO-METAL SEATING

GRAPHITE PACKING RINGS GIVE NORMALSEALING AND FIRESEALING

BLOWOUT PROOF STEM

PRESSURE BALANCE HOLES

Page 66: Plug Valves - 3Z Valve

Scope of Products

>> 64

Class : ANSI 150-2500(PN20 -420), API 2000, 5000 & 10000

Pattern : Short, Regular, and VenturiSize : 1/2 -30 ( DN 25- 750)Temperature : -30ºC ~400ºCConstruction: Standard, API-6D 60K, Special, NACE, Low Temperature, Other specialsEnd Conn: Flanged, Butt Welding Socket Weld

ANSI AND API 6D VALVES

PART NAME

BODY

COVER

STEM(WRENCH OPERATED)

STEM(GEAR OPERATED)

WROUGHT CARBONOR

LOW ALLOY STEEL

ALLOY STEELHRC 22 MAX.

WROUGHT CARBON OR

LOW ALLOY STEEL

ALLOY STEELHRC 22 MAX

GLAND

PACKING

STEM RING

THRUST BEARING** STAINLESS STEEL

COMPOUND OF GRAPHITE AND PTFE

MILD STEEL

GLAND BOLTSA193

GRADE B7A193

GRADE B7MA193

GRADE B7A193

GRADE B7M

EQUALIZERALLOYSTEEL

ALLOY STEELHRC 22 MAX.

ALLOYSTEEL

ALLOY STEELHRC 22 MAX.

BALLSTAINLESS

STEELMONEL K-500

HRC 27-35STAINLESS

STEELMONEL K-500

HRC 27-35

SPRINGSTAINLESS

STEELINCONEL X-750

STAINLESSSTEEL

INCONEL X-750

COVER BOLTSA193

GRADE B7A193

GRADE B7MA193

GRADE B7A193

GRADE B7M

PLUG

STEEL IN SIZE 6 AND 8ANSI CLASS 1500,

AND SIZE 10 AND SMALLER CLASS2500 VALVES. ASTM A-48 IRON IN

ALL OTHER SIZESAND ANSI PRESSURE CLASSES.

PLUGS HAVELOW COEFFICIENT OF

FRICTION MATERIAL COATINGS.

ALLOY STELLHRC 22 MAX.

COATED WITH 001”ELECTROLESS NICKEL

STEEL IN API CLASS 5000 VALVES. ASTM-A-48 IRON IN ALL OTHER

SIZES AND PRESSURE CLASSES. PLUGS HAVE

LOW COEFFICIENTFRICTION MATERIAL

COATINGS.

ALLOY STELLHRC 22 MAX.

COATED WITH 001”ELECTROLESS NICKEL

MALLEABLE OR DUCTILE IRON

STAINLESSSTEEL

STAINLESSSTEEL

HRC 22 MAX.

STAINLESSSTEEL

STAINLESSSTEEL

CARBONSTEEL

CARBON STEELHRC 33 MAX.

API*TYPE 2 STEEL

API TYPE 1 STEEL*HRC 22 MAX.

CARBONSTEEL

CARBON STEEL HRC 33 MAX.

API* TYPE 2 STEEL

API TYPE 2 STEEL* HRC 22 MAX.

STANDARD CONSTRUCTION

SOUR GAS CONSTRUCTIONPER NACE MR-01-75

STANDARDCONSTRUCTION

SOUR GAS CONSTRUCTIONPER NACE MR-01-75

API 6A VALVES

Page 67: Plug Valves - 3Z Valve

Various Applications

65 <<

Hard Surfaced Valves

High Temperature and Abrasive services: For hightemperature and abrasive services, 3Z plug valve can besupplied with plug taper and body seat hard surfaced withnickel or cobalt base alloys. These materials provides a coatingat elevated temperatures. With additional hard surfacing in higherosion areas, hard surfaced valve provides excellent resistanceto abrasion in coal, limestone, iron core, copper ore and otherwater carried slurries. For severe services, hard sufacing extendsvalve life and improves valve performance significantly.

Hard Surfacing of Plug: 3Z has extensive experience. Fullytrained technicians take hard surfaced plugs and lap these intothe matching body. Valve assembly at room temperature ismade with dimension allowance to assure proper operation atelevated temperature in actual services. A valve shell test isperformed to prove pressure containment, and a seat test isperformed with normal adjustment to prove the integrity of theseat. To prevent stress cracking of the hard surfacing material,these tests are performed at the valve maximum operatingpressure

NACE Construction valvesfor sour gas applicationSulfide Stress Cracking: The basic problem is that whenevereven a small amount of hydrogen sulfide is encouraged innatural gas or under oil pressure, a corrosion phenomenon mayoccur, known as hydrogen sulfide embrittlement or sulfide stresscracking. Actually the steel part is absorbing hydrogen. Thiscauses ductility, and when other stresses are added, may resultin failure of part.Yield Strength: Currently with yield strength above 621 Mpaand/or hardness greater than RC 22 are subject to sulfide stresscracking. Failure below these limits is unlikely. Heat Treatment: All major components are heat treated to acontrolled hardness of 22 or lower on RC scale. In thisconfiguration the plug is coated with electolysis nickel toprevent galling.

Complete details are available upon request.

3Z Metal SeatedPlug Valve,Lubricated

RF/BW

3Z Metal SeatedPlug Valve,

Lubricated &Jacketed.

3Z Metal SeatedPlug Valve,Lubricated,

3-Way Type.

3Z Metal SeatedPlug Valve,Lubricated,

4-Way Type.

3Z Metal SeatedPlug Valve,Lubricated,

Full Bore Type

Page 68: Plug Valves - 3Z Valve

Extended Stem Valves

>> 66

Extended stems are made to be installed on Wrench Operated standard stems, in case of buried installation ofthe Plug Valve or in case of installation of the valve in plant location of the valve in plant locations where anormal access of manover is not possible.

Valve extension for underground service include piping for lubrication and are supplied with water tight seals.

Extension length should be advised by customer.

NO PART NAME Q’TY MATERIAL

1 BODY 1 CARBON STEEL

2 PLUG 1 CARBON STEEL

3 STEM 1 STAINLESS STEEL

4 COVER 1 CARBON STEEL

5 COVER BOLT 1S CARBON STEEL

6 LUB. NIPPLE 1 STAINLESS STEEL

7 GLAND BOLT 1S CARBON STEEL

8 PRESS. BUTTON 1 STAINLESS STEEL

9 METAL DIAPHR’M(I) 1 CARBON STEEL

10 METAL DIAPHR’M(II) 1 STAINLESS STEEL

11 GASKET 1 GRAFOIL

12 CHECK VALVE 1 STAINLESS STEEL

13 COMPENSATOR 1 CARBON STEEL

14 GLAND PACKING 2 GRAFOIL

15 GLAND 1 STAINLESS STEEL

16 O-RING(I) 1 VITON

17 O-RING(II) 1 VITON

18 LOCK NUT 1 CARBON STEEL

19 THRUST BEARING 1 STAINLESS STEEL

20 ADJUSTING BOLT 1 CARBON STEEL

21 LOCK BOLT 1 CARBON STEEL

22 NEEDLE VALVE 1 CARBON STEEL

23 GEAR OPERATOR 1S STEEL

24 CHECK VALVE 1 STAINLESS STEEL

25 PIPE 1 STEEL

26 ADAPTER 1 STEEL

Page 69: Plug Valves - 3Z Valve

Patterns

67 <<

3Z Plug valves are available in a wide range of variants described in the valve standards. In API6D, API599and BS 5353, the variants are defined as Short pattern, regular pattern, Venturi pattern and full bore pattern,respectively. The different variants refer to face to face dimension, plug port and shape.

Venturi Pattern: The plug port is reduced area, but the change of section thru the body throat is so designedas to produce a Venturi effect to restore the velocity head losses thru the valve thus resulting in a relativelylow pressure drop.

Regular Pattern: These valves have face to face dimensions in accordance with the apprpriate British andAmerican standards where applicable. This ensures the maximum interchangeability between valves ordifferent types and end connections. The plug ports of these valves have a rectangular-slightly tapered shapein section and have an area larger than Venturi Pattern. The transition from the round body end ports to therectangular seat ports is smooth, and entails no sudden alteration in shape or section which might causeexcessive changes in velocity or direction of the fluid flowing in the pipeline.

Short Pattern: These valve have the same face to face dimension as gate valves according to ANSI B16.10 inclass 125,150,250 and 300. In order to obtain the relatively short face to face dimensions, the plug port isreduced and has a recangular slightly tapered-shape.

INCH SIZE ANSI #150 ANSI #300 ANSI #600 ANSI #900 ANSI #1500 ANSI #2500

0.5 R R R

0.75 R R R

1 R R R

1.5 S R V R R

2 S S R V R R

3 S S R V R R

4 S S R V R R

6 S V R / V R / V R /V R

8 S V R / V R / V R /V R

10 S V R / V R / V R /V R

12 S V R / V R / V R /V R

14 V V R / V R / V

16 V V V V

18 V V V

20 V V V

24 V V V

Page 70: Plug Valves - 3Z Valve

Torque Data / Materials

>> 68

Maximum BreakTorque

3Z LUBRICATED PLUG VALVES AVE LOWEST POSSIBLE TURNING TORQUE COMPATRBLE WITH TIGHT SHUT-OFF CONDITIONS. THE TABLE GIVENIN BELOW IS AN ACTUAL TEST DATA FOR EXPECTED MAXIMUMWORKING CONDITIONS.

Materials Availability

Variety of materials are available such as Cast iron, Ductile iron,Carbon steel, Lead-Bronze 80/10/10, stainlessacid-resisting steel, Duplex stainless steel and special qualities and alloys.

Carbon steel: cast carbon steel used is a medium carbon steel, conforming to ASTM A216 WCC. Steel plugis made of a low alloy steel, heat treated to produce the proper balance between non-galling properties andthe toughness required to resist the mechanical loads imposed in operating the valve.

Manganese-Molybdenum Alloy Steel: (ASTM A-487 Grade 4 Class C) This alloy steel is used for bodycastings for Class 3000 and higher Pressure balanced valves for oilfield services, which must conform to API6A, covering Steel valves for Drilling and Production Service.

Ferritic Steel: Grade LCC Ferritic Steel, conforming to ASTM A352, is basically a “killed” mild carbon steelwhich has good impact qualities at low temperature to 146C and must have a minimum average Charpy Vnotch impact strength of 15 foot pounds at that temperature.

Type CF8M Stainless Steel: This is an 18-12 type of stainless steel casting material, containingmolybdenum, with analysis and properties closely corresponding to AISI type 316 wrought stainless steel, andconforming to ASTM spec 351 Grade CF8M.

13% Chromium stainless steel: ASTM A351 Grade CA-15. 13% chromium stainless steel is used for bodycastings of high pressure 3Z valves made especially for use in the oil fields on high pressure corrosive serviceswhich cannot be handled with standard manganese-molybdenum alloy steel valves. While the bodies of suchvalves are 13% chromium stainless steel, the plugs are 18-8 stainless steel with taper surface hard faced.

Notes : 1. Above table data add 30% safety factor to actual torque data.

2. When sizing an Actuator, consult with 3Z.

INCH SIZE ANSI #150 ANSI #300 ANSI #600 ANSI #900 ANSI #1500 ANSI #2500

1 33 100 110 250

2 162 173 210 210 230 700

3 173 249 400 480 580 1,100

4 303 378 735 720 820 2,500

6 497 649 1,167 1,600 2,500 6,800

8 1,027 984 2,269 2,800 3,600 12,000

10 1,470 2,475 3,620 5,400 6,000 18,000

12 2,053 2,637 5,923 8,500 11,600 25,000

14 2,053 3,729 5,620

16 2,702 4,648 7,350

18 3,459 6,794 10,593

20 4,626 5,859 17,294

24 5,836 13,295 31,344

Page 71: Plug Valves - 3Z Valve

Pressure and temperature Chart

69 <<

3Z Lubricated plug valves are designed and manufactured in accordance with pressure and Temperature ratingCriteria. One of the typical chart showing WCB/WCB is as below. For other various material information, pleaseConsult with us and/or your nearlest agent around the world.

Pressure Temperature Ratings (Carbon Steel ASTM A105, ASTM A216 Grade WCB and ASTM A216 Grade WCC)

150 300 600 900 1500 2500

-29 to 38 19.6 51.5 102.1 153.2 255.3 425.5

50 19.2 50.1 100.2 150.2 250.4 417.3

100 17.7 46.4 92.8 139.1 231.9 386.5

120 16.9 45.9 91.9 137.8 229.5 382.5

150 15.8 45.3 90.5 135.7 226.1 376.9

200 14 43.5 87.6 131.5 219.1 365.2

232 12.8 42.6 85.2 127.4 212.6 354

250 12.1 41.5 83.4 125.2 208.6 347.7

300 10.2 38.1 77.5 116.2 193.7 322.8

350 8.4 36.1 73.9 110.9 184.8 308

375 7.4 36 72.9 109.4 182.3 303.9

400 6.5 34.1 69 103.5 172.5 287.5

425 5.6 28.1 57.5 86.3 143.8 239.6

450 4.7 20.5 41.4 60.1 100.2 166.9

Service Temperature Working Pressure by Rating Number(BAR)

150 300 600 900 1500 2500

-20 to 100 285 740 1480 2220 3705 6170

200 260 675 1350 2025 3375 5625

250 245 665 1333 1998 3328 5548

300 230 655 1315 1970 3283 5470

400 200 635 1270 1900 3170 5280

450 185 618 1235 148 3080 5135

500 170 600 1200 1795 2995 4990

600 140 550 1095 1640 2735 4560

700 110 535 1065 1600 2665 4440

750 95 505 1010 1510 2520 4200

800 80 410 825 1235 2060 3420

Service Temperature Working Pressure by Classes(PSIG)

Page 72: Plug Valves - 3Z Valve

Test Pressure

>> 70

3Z Lubricated plug valves are strictly tested as per various international standard as well ascustomer requirement if any. The typical test pressure and test duration tables are illustrated as under

Test Pressure

Test Duration (MIN)

VALVERATING

Maximum C.W.P SHELL TEST(minimum) SEAT TEST(minimum)

bar ibf/in2 bar ibf/in2 bar ibf/in2

CLASS 150 PN 20 19.6 285 29.4 427.5 21.6 313.5

CLASS 300 PN 50 51.1 740 76.7 1110 56.2 814

CLASS 600 PN 100 102.1 1480 153.2 2220 112.3 1628

CLASS 800 PN 140 138 2000 207 3002 152 2204

CLASS 900 PN 150 153.2 2220 229.8 3330 168.5 2442

CLASS 1500 PN 250 255.3 3705 383 5558 280.8 4076

CLASS 2500 PN 420 425.5 6170 638.3 9255 468 6787

API 2000 138 2000 276 4000 138 2000

API 2000 2074 3000 414 6200 207 3000

API 5000 345 5000 690 10000 345 5000

VALVE SIZEBS 5146 API 6D

SHELL TEST SEAT TEST SHELL TEST SEAT TEST

401mm 1

50mm 2” 2 2

65-100mm 2 - 4 1 1 2 2

150mm 6 1 1 5 5

200&250mm 8 & 10 2 2 5 5

300mm 12 2 2 15 5

350-450mm 14 - 18 5 2 15 5

500mm 20 5 2 30 5

not applicable

Page 73: Plug Valves - 3Z Valve

Lubricant

71 <<

LUBRICANT FUNCTION : 1. To minimize friction during operation of valve.2. To protect seat surfaces from corrosion.3. To prevent leakage by lubricant encircled with lubricant grooves.

UNSUITABLE FLUID

Alkalies

LPG and hydrocarbon solvents

Aromatic, Solvents

Solvents & Amine

Hot Air

LiquidHydrocarbons

LiquidHydrocarbons

LiquidHydrocarbons

LPG

Aeromatic, AlkaliesSolvents

100% Bezine

Aeromatic, AlkaliesSolvents

LUBRICANT NO. COLOR TEMP. RANGE

G-104 Peanut Butter -18 ~ 260

G-204 White -45 ~ 204

G-220 Clear -59 ~ 121

G-304 Yellow -29 ~ 204

G-350A Yellow -29 ~ 204

G-400A Amber -29 ~ 204

G-400 Red -20 ~ 232

G-525 Clear -18 ~ 204

G-600 Brown -29 ~ 260

G-650 Green -40 ~ 260

G-711 White 0 ~ 204

G-750 Black -18 ~ 316

PRINCIPAL SERVICES

* API Gate Valve, Bady scoired,Ball or Plug Valve

* Molten Sulphur, Acetic Anhydride, Acetic Acid, Food and Pharmaceuticalapplications as determined by user.

* Very cold service for pipe lines,compressorstations, gasoline plantsand crude oil production fields.

* Where H2 S and CO2 are encountered

* Hydroflouric acid or mixtures of HF & L.P.G.

* Aqueous solutions of Acides and Caustics

* Acids and Caustics

* Air starting valvesAir fractionaltion

* General gas and waterSealant and generalHydrocarbons service

* Hydrocarbon and L.P.G. service

* Aviation gasoline, Jet fuel, fuel blends ofAlkylate

* asphalt hot oil service Salt brine, high temperature steam

COMPARISON TABLE OF SEALANTS

3Z ROCKWELL WALWORTH CLIMAX AVAILABLE FLUID

G-400/400A 147-421 400/400A acids, alcohols, glycerine

G-204 234 204 silicone sealant

G-711 357 711 gasoline, mineral oils, kerosene

G-600 386 600 general gas and wate sealant

G-650/800/900 555 NO. 1 650/800/900 aliphatic hydrocarbon liquids and gases

G-650/800/900 654 650/800/900 hot hydrocarbon vapors and gases

G-711 755 NO. 7 711 benzene, butane, solvent naphthas

G-711 833 711 aviation gasoline, jet fuel

G-220 862 NO.5 , NO.6 220 air and inert gases at sub-zero temp.

G-950 950 950 benzene, propylene, styrene, LPGS

G-400A NO. 4 400A strong acides, alkalies

G-340 340 sour gas, H2S, CO2

G-FL5 660 FL-5 fluorocarbon, lubricant wxygen chlorine

G-PS2 921 Polyseal No. 3 hot hydrocarbon gases and vapors

G-PS6 NO. 2 Polyseal No. 6 steam, high temperature water

Page 74: Plug Valves - 3Z Valve

>> 72

Page 75: Plug Valves - 3Z Valve

73 <<

Page 76: Plug Valves - 3Z Valve

>> 74

Page 77: Plug Valves - 3Z Valve

75 <<

Page 78: Plug Valves - 3Z Valve

>> 76

Page 79: Plug Valves - 3Z Valve

77 <<

Page 80: Plug Valves - 3Z Valve

>> 78

Page 81: Plug Valves - 3Z Valve

79 <<

Page 82: Plug Valves - 3Z Valve

>> 80

Page 83: Plug Valves - 3Z Valve

81 <<

Page 84: Plug Valves - 3Z Valve

>> 82

Page 85: Plug Valves - 3Z Valve

Eccentric Plug Valves

83 <<

Eccentric Plug Valves are designed to handle awide variety of liquids, gasses and solids, includingwater, air, petroleum, paint and non-corrosivechemicals. Eccentric plug valves are used in powerand chemical plants, paper mills, water and wastewater treatment plants, HVAC applications as wellas hot process applications, and mining operations.

Basic structure is consists of plug, cover, body,position indicators, stem seal and bearing. Singlepiece plug/stem is designed for a quick lift cammingmotion to provide both low torque and reducedwear of the plug face elastomer.

The elastomer extends along the stem in bothdirections to protect the integral tunnions and formthe bearing interference. A wide range of plugelastomers are available to assure complete fluidcompatibility.

Body casting is in ASTM A126 Class B cast iron andconforms to the leading standard for wall thickness.Flange thickness, diameter and drilling fully conformto ANSI B16.1 Class 150. Alternative flanged,screwed or mechanical joint ends are available. Ahigh quality two-part epoxy coating can be appliedexternally and internally to protect the castingintegrity and assure long, trouble-free performance.

3Z eccentric plug valves provide Safety,Reliability, and Economy in plant operation,

owing to its super longevity. Merits in construction make it possible.

Page 86: Plug Valves - 3Z Valve

Eccentric Plug Valves

>> 84

Plug Options Available

3Z Eccentric Plug Valve

Designed to meet higher CV requirements and excessive sludgehandling in such as sewage treatment plant or waste watertreatment plant. Line seal is achieved by an eccentric plug andmetal body. The plug is designed in half shape of concentric plug,and centered eccentrically to seat smoothly on the seat sealingsurface in pressing motion.

The plugs can be supplied with or without elastomer coated.

Eccentric Action

Eccentric action and resilient plug facings assure lasting dead-tight shutoff. As the eccentric plug rotates 90˚ from open toclosed, it moves into a raised eccentric seat.In the open position, the segmented plug is out of the flow path.Flow is straight through, flow capacity is high.As the plug closes, it moves toward the seat without scraping theseat or body walls so there is no plug binding or wear.Flow is still straight through making the throttling characteristicof this valve ideal for gases, liquids and slurries.In the closed position, the plug makes contact with the seat.When furnished with resilient facing, the plug is pressed firmlyinto the seat for dead-tight shutoff. Eccentric plug and seat designassures lasting shutoff because the plug continues to be pressedagainst the seat until firm contact is made.

Plug for Metal Seated Type Plug for Rubber Coated Type

Page 87: Plug Valves - 3Z Valve

Design Features

85 <<

High Flow Capacity FeatureClean interior design and straight through flowallow high maximum capacity with minimumpressure drop.

Resilient Plug Facingsfor Dead-Tight Shutoff Feature

3Z valves are available with a variety of resilient plugfacings suitable for temperatures up to 450 F (232 C).Resilient-faced plugs provide dead-tight shutoffwithout the use of sealing lubricants. Even if smallsolids are trapped between the plug and seat, theresilient facing provides tight shutoff and preventsseat damage. The resilient plug design provides drip-tight shutoff on wet service applications up to the fullpressure rating of the valve with pressure in eitherdirection. Materials available include chloroprene,acrulonitrile-butadiene, hard natural rubber, chloro-isobutene isoprene, hard rubber with fluoro rebber.All-metal plugs are also available for high-temperature or throttling applications where deadtight shutoff is not required.

One-Piece Cast Plug Feature3Z Eccentric Plug valves feature a plug with upperand lower shaft in a one-piece casting. The straightplug face allows for inherent linear flowcharacteristic. The plug rotates completely out offlow, allowing high, straight-through flow capacity.Because the plug is out of flow path, it providesincreased plug life in abrasive application.

Control Valve Availability Features3Z mounting kits for eccentric plug valves areavailable for most popular actuators which customerrequests. And a full line o of accessories designed tomatch 3Z control systems is also available, likepositioners, solenoids, switches, speed controls,extensions and floorstands.

Wide Choice of Body Materials Feature3Z offers the most compete line of eccentric bodymaterials to meet the requirements of a broad rangeof applications such as Cast Iron, Bronze, Nickel,Carbon Steel, Stain Less Steel, Alloy 20, CD4M,Monel and Hastelloy C, from our own foundry.

Bolted Cover Feature3Z valves have a rugged, one piece bolted cover formaximum strength. It houses upper bearing andshaft seals to increase cycle life. If maintenance isever required, ease of disassembly allowsaccessibility to internal components.

Plug for Metal Seated Type

Plug for Rubber Coated Type

Page 88: Plug Valves - 3Z Valve

Design Features

>> 86

Long-Life Stem Seals FeatureA Variety of stem seal materials provides Zero-Maintenance sealing that matches valve performanceand assures long life and reliability.

Corrosion-Resistant Bearing FeatureHeavy-duty bearings resist corrosion to preventbinding and assure lasting easy valve operationwithout lubrication. These rugged stainless steelbearings are furnished in the cover and body of all 3Zvalves.

Choice of Patterns & End Styles FeatureA Complete choice of patterns and end styles includesANSI, DIN, BS, or JIS standards.

Eccentric ActionEccentric action and resilient plug facings assurelasting dead-tight shutoff. As the eccentric plug rotates90o from open to closed, it moves into a raisedeccentric seat.In the open position, the segmented plug is out of theflow path. Flow is straight through, flow capacity ishigh.As the plug closes, it moves toward the seat withoutscraping the seat or body walls so there is no plugbinding or wear.

Flow is still straight through making the throttlingcharacteristic of this valve ideal for gases, liquids andslurries.

In the closed position, the plug makes contact with theseat. When furnished with resilient facing, the plug ispressed firmly into the seat for dead-tight shutoff.Eccentric plug and seat design assures lasting shutoffbecause the plug continues to be pressed against theseat until firm contact is made.

Page 89: Plug Valves - 3Z Valve

Specification and Material

87 <<

3Z Eccentric Plug Valves shall be Zero leakage at therated pressure.

3Z Eccentric Plug Valve shall be satisfactory forapplications involving throttling service as well ason-off service

The valve closing member should rotate approximately 90 degrees from the full-open to full-closeposition and vice versa.

Body ends shall be: 1) Flanged in full conformancewith ANSI, DIN, JIS, and Class 150, 300. 2)Mechanical Joint to meet the requirements ofAWWA C111/ANSI A21.11. 3) Grooved ends to meetthe requirements of AWWA C606.

The plug shaft shall be integral. The 3Z rubbercoated plug valves shall have 100% encapsulatedplug with NBR, EPDM, VITON, etc. The rubber tometal bond must withstand 75 lbs, under testprocedure ASTM D-429-73 Method B.

Shaft bearings, upper and lower, shall be sleeve typemetal bearings, sintered, oil impregnated andpermanently lubricated Type 316 stainless steel.

All packing shall be replaceable without removingthe valve from the line while the valve is in service.

Manual valves shall have lever or worm gear typeactuators with hand wheels. Worm gear typeactuators shall be furnished on all 4" or largervalves where the max. unseating pressure is 25 psigor more.

Eccentric plug valves have no void spaces to entrapsolids or other debris and interfere with tightshutoff.

Materials of Construction

Description Material

Cast Iron, ASTM A126 Class B

Carbon Steel, ASTM A216, Grade WCB

316 Stainless Steel, ASETM a743, Grade CF8M

Alloy 20

Hastelloy C

Acid Resistant Bronze, ASTM B427 Alloy C90800

Ni-Restist, ASTM A436 Type 2

Monel

Top, Botton Bushing Brass + Graphite

Metal

NBR Acrylonitrile-Butadiene

NRH Hard Natural Rubber

CR Cholroprene

Gasket PTFE

Cover Same material as body

Stem Seal PTFE

Packing Graphite

Gland Same material as body

Hub Carbon Steel, ASTM A216, Grade WCB

Handle Carbon Steel, ASTM A216, Grade WCB

Body

Plug

Page 90: Plug Valves - 3Z Valve

>> 88

Page 91: Plug Valves - 3Z Valve

89 <<

Page 92: Plug Valves - 3Z Valve

The Solution for the Valve ProblemsThe Solution for the Valve ProblemsRising Stem Ball Valves

Page 93: Plug Valves - 3Z Valve

Design FeaturesDesign Features

Low TorqueLow operation torque by enabling the dual action with special mechanism

Optimum FlowEnabling full bore or reduced bore products and having high

Fire SafeHaving passed the test of fire safety according to API 6FA.

with special mechanism. Cv numerical value.

Special MechanismOperating after divided Tilting and Turn action clearly.

Perfect Friction FreeReducing the seat abrasion by being rotated after core is separated from seat completely.

Non-SlamNot occurring the situation of slam as special mechanism induces stem to do linear action.

Self CleaningDuring core is open or close selfDuring core is open or close, self cleaning is performed for seat.

Energized SealingPerfect sealing mechanically, not using spring or other assistive devices.

No Thermal ExpansionNo thermal expansion situation as there is no closed space with the single seating design.

Inline Maintenance

Corrosion & ErosionResistance MaterialStrong corrosion and erosion to be applied on the seating part of core.

Trunnion with RoundedEndNo impact even to the liquid of high pressure.

Customizing Inline MaintenanceEasy seat exchange and line inspection/cleaning with the top entry type.

Being responsible according to customer's request of position indicator, locking device, limit switch, jacket etc.

Page 94: Plug Valves - 3Z Valve

OperationOperation

1.Close position 2.Tilting

Perfect sealing in core and seat by the working of cam after stem's falling.

As stem is rising, core becomes tilting and then core gets separated from seat.

i i i3.Rotating 4.Open position

Core is turned by rotating of stem in order to be perfect open position of port.

Core becomes open completely after stem has rotated.

* The above is opening sequence, and in case of closing sequence the process is in the opposite direction.

Page 95: Plug Valves - 3Z Valve

Specification • 3Z Rising stem ball valve(RBV) has mechanism to Specification g ( )

enable dual action and gets sealing by the acting of

tilting & turn. Generally, it has low torque prominen

tly compared to other ball valves. So, the size of act

uator is to be small and our customer can adjust it if

there is some leakage in using. Basically 3Z Rising st

em ball valve is perfect in sealing It is easy to excha

• Zero Leakage.

• Low Operation Torque.

em ball valve is perfect in sealing. It is easy to excha

nge seat because of top entry type, based on the fiel

d situation, and it has long life cycle as there is no fr

iction and abrasion.

i l f i il bili

• Long life of seat because of no seat abrasion.

• Easy Seat Exchange with Top entry type.

• Protecting seat as there is divided action

with dual action.

• Easy and continuous sealing as stem is cam type.

Materials of Construction Availability

• Flow lines• Gas metering• Oil metering • Low temperature service• High temperature service• Steam service

BodyCarbonSteel

ASTM A216 Gr.WCB

CoreCarbonSteel

ASTM A216 Gr.WCB

BonnetCarbonSteel

ASTM A216 Gr.WCB

• Hydrocarbon service• Emergency Blow Down service• Sand slurry service• Lethal service

Steel

Stem Alloy Steel SNCM21

Seatbody

CarbonSteel

ASTM A-106 GR B

Insert Teflon -

BushingStainless

SteelAISI 410

PackingGraphite

Type-

BoltCarbonSteel

ASTM A193 B7

Design

Class : 150~1500(PN 20~250)NPS : 2~20(DN 50~500)

Page 96: Plug Valves - 3Z Valve

>> 94

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

-

-

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

2

SizeStandard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

02-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 150 GEAR

Date

150 2" 27 100 5 32 23 Rising Stem Ball Valve

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

CORPORATION

Page 97: Plug Valves - 3Z Valve

95 <<

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

-

-

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

3

SizeStandard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

03-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 150 GEAR

Date

150 3" 44 100 6 32 23 Rising Stem Ball Valve

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

CORPORATION

Page 98: Plug Valves - 3Z Valve

>> 96

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

-

-

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

4

SizeStandard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

04-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 150 GEAR

Date

150 4" 92 100 10 32 23 Rising Stem Ball Valve

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

CORPORATION

Page 99: Plug Valves - 3Z Valve

97 <<

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

-

-

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

6

SizeStandard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

06-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 150 GEAR

Date

150 6" 189 100 28 32 20 Rising Stem Ball Valve

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

CORPORATION

Page 100: Plug Valves - 3Z Valve

>> 98

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

-

VITON

ASTM A351 CF8

PTFE

GRAPIHTE

-

ASTM A564 Gr.630

AISI 410

SCM440

SCM440

-

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

8

Size Operator

Product Code

8" 247 100 51

Tag No.Date

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

*For actuator sizing, safety factor of 30% to be considered. ANSI 150 GEAR

Standard Class

N/S

Class

32 23

Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

150 Rising Stem Ball Valve08-RV06AGSBCCC3

NO

TES

STAN

DARD

INSPECTION & TEST

CORPORATION

Page 101: Plug Valves - 3Z Valve

99 <<

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

-

-

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

2

Size

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.Date

300 2" 30 100 5 97 58 Rising Stem Ball Valve

Standard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

02-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 300 GEAR

CORPORATION

Page 102: Plug Valves - 3Z Valve

>> 100

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

-

-

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

3

Size

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.Date

300 3" 44 100 6 79 58 Rising Stem Ball Valve

Standard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

03-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 300 GEAR

CORPORATION

Page 103: Plug Valves - 3Z Valve

101 <<

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

-

-

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

4

Size

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.Date

300 4" 92 100 13 79 58 Rising Stem Ball Valve

Standard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

04-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 300 GEAR

CORPORATION

Page 104: Plug Valves - 3Z Valve

>> 102

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A564 Gr.630

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 410

SCM440

SCM440

-

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

VITON

-

-

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

6

Size

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

N/S

Class Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.Date

300 6" 189 100 34 79 58 Rising Stem Ball Valve

Standard Class Operator

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

06-RV06AGSBCCC3

Product Code

*For actuator sizing, safety factor of 30% to be considered. ANSI 300 GEAR

CORPORATION

Page 105: Plug Valves - 3Z Valve

103 <<

NO PART NAME Q'TY

1 BODY 1

2 BONNET 1

3 CORE 1

4 STEM 1

5 SEAT BODY 1

6 SEAT INSERT 1

7 GASKET 1

8 STEM BUSHING 1

9 STEM PIN(ANTI STATIC) 1

10 CORE PIN 2

11 SURPPOT PIN 2

12 TRUNNION BUSING 1

13 BONNET BOLT 12

14 PACKING GLAND 3

15 PACKING GLAND BOLT 4

16 GLAND O-RING 2

17 MECHANISM 1S

18 GEAR OPERATOR 1S

19

20

21

-

ASTM A564 Gr.630

AISI 410

SCM440

SCM440

-

SPECIFICATION

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

ASTM A216 Gr.WCC

-

VITON

ASTM A351 CF8

PTFE

GRAPIHTE

AISI 440

ASTM A193 Gr.B7

GRAPIHTE

ASTM A193 Gr.B7

22

1

0 K.T.YANG H.S.KIM H.S.KIM

Shell Seat Rev. Drawn by Chkd by Appd by Scale

8

Size

300 Rising Stem Ball Valve08-RV06AGSBCCC3

NO

TES

STAN

DARD

INSPECTION & TEST API 598

FACE TO FACE ANSI B 16.10

DIMENSION OF FLANGE ANSI B 16.5

WALL THICKNESS API 599

N/S

Class

79 58

Size Weight(kg) Port Ratio(%) Torque (N.m)Test Pressure(bar)

Tag No.Date

THIS DOCUMENT IS THE PROPERTY OF 3Z, AND WITHOUT PERMISSION BY 3Z, CANNOT BE POSSESSED, COPIED AND/OR BE USED FOR OTHER PURPOSES AGAINST 3Z'S INTERESTS.

*For actuator sizing, safety factor of 30% to be considered. ANSI 300 GEAR

Standard Class Operator

Product Code

8" 247 100 60CORPORATION

Page 106: Plug Valves - 3Z Valve

>> 104

Note

Page 107: Plug Valves - 3Z Valve
Page 108: Plug Valves - 3Z Valve

3Z CORPORATIONTel:+82-2-333-1212Fax:+82-2-333-4111e-mail :[email protected]

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